Hi Bev,
You may find the following link of interest when it comes to old occupations etc.

www.rmhh.co.uk/occup/

Sorry hyperlink is not working so just do an internet search for: Index of Old Occupations and the Hall Genealogy website should come up..click on 'C' for crofters and anything else you may like to explore.
HAPPY HUNTING:sleuth_or_spy:

Edit:
Looks like the link did materialize.
Wendy